In that fanfiction, it might be designed that way. Naruto has incredible powers in his own series, like his various jutsu. If translated into the Fairy Tail world in fanfiction, his skills could potentially make him very powerful. But it also depends on how the author of the fanfiction interprets and balances the power systems of both universes.
Perhaps a fanfiction where a chaos mage from another dimension is sent to both the Naruto and Fairy Tail universes to steal powerful artifacts. This would force the heroes from both worlds to team up. The Naruto characters could contribute their unique jutsu, while the Fairy Tail wizards use their magic, all while trying to figure out the chaos mage's motives and powers.
Well, Naruto has his chakra and various jutsu. In fanfiction, his chakra could be seen as a form of magic in the Fairy Tail world. A chaos mage might have the ability to manipulate and disrupt this chakra - magic. For example, Sasuke's Sharingan could be used to analyze the chaotic magic of the chaos mage and find weaknesses, while Fairy Tail wizards use their own elemental magic to support Naruto characters in battles against enemies influenced by chaos magic.
One idea could be a crossover where a Naruto character, like Naruto himself, somehow ends up in the Fairy Tail world and meets a cute mage, perhaps Lucy. They could team up on a mission and Naruto's unique ninja skills combined with the magic of the Fairy Tail mage would make for an interesting story.
Yes, there are quite a few. You can start by looking on popular fanfiction websites like FanFiction.net or Archive of Our Own. Just search for 'Naruto the Cutest Mage Fairy Tail' and you'll find a variety of stories, some might focus on crossovers between Naruto and Fairy Tail with the unique concept of Naruto as a mage.
His chakra. Chakra is like the energy source in Naruto's world. In the fanfiction, this chakra could be translated into a very powerful form of magic in Fairy Tail. It gives him the ability to perform various powerful techniques, much like mages in Fairy Tail use their magic.
To make the fanfiction engaging, create some conflict. It could be a conflict between the two worlds, like the ninjas in Naruto thinking the magic users from Fairy Tail are a threat. Or it could be an internal conflict within a character, such as the cute mage struggling to control their powerful magic while also trying to fit into the Naruto world. Also, don't forget to add some humor and heart - warming moments to keep the readers interested.
Well, in fanfiction, anything can happen. But Naruto being a weak Fairy Tail mage seems a bit off. Naruto is a powerful ninja with a strong will. In Fairy Tail, mages also rely on their willpower to some extent. Naruto could potentially draw on his ninja skills and combine them with magic in unique ways. For example, his shadow clone jutsu could be adapted into some form of magical clone spell. His Rasengan could be transformed into a magic - based attack. So, he may face some initial challenges in understanding magic, but he's not likely to be weak.
One interesting concept could be the combination of Naruto's ninja abilities with the magic system of Fairy Tail. For example, Naruto's shadow clones might be used in a unique way when combined with Fairy Tail magic, like using clones to perform multiple spell - casting simultaneously.
In fanfiction, Naruto could become a strong Fairy Tail mage through a series of steps. Firstly, he needs to adapt his ninja mindset to the magical world. This means learning about the magical energy sources and how they differ from chakra. He could then use his experience in combat and strategy from being a ninja. For example, his ability to analyze his opponents quickly can be applied in battles against other mages. Next, he should explore his own potential in magic. Maybe he has an affinity for a certain type of magic that he can develop further. And finally, he can form strong bonds with other Fairy Tail mages, which would not only give him emotional support but also opportunities to learn new magic and techniques.